type: 1_or_112lang: elsubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_V. LAW AND SOCIAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Chytiris, Leonidas_or_Georgopoulos, Antonios_or_Kontogeorgis, Aristides_or_Antoniadis, Ioannis